Minocqua
Minocqua is a gravity dam located in Oneida County, Wisconsin, built in 1909. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Minocqua
The primary purpose of Minocqua is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Wisconsin Valley Improvement Company (public utility). It impounds the Tomahawk River near Tomahawk.
The dam stands 9 feet tall and stretches 285 feet across, has a maximum storage capacity of 166,276 acre-feet, and collects water from a drainage area of 72 square miles. Completed in 1909, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/03/2022.
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Location
| State | Wisconsin |
| County | Oneida |
| Nearest City | Tomahawk |
| River/Stream | Tomahawk River |
| Coordinates | 45.87625, -89.72758 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 285 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 166,276 acre-ft |
| Max Storage | 166,276 acre-ft |
| Drainage Area | 72 sq mi |
| Max Discharge | 478 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Wisconsin Valley Improvement Company |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/03/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00767 |
| Federal ID | WI00767 |
| More Info | State Dam Safety Program |